RE: [Sip] I-D ACTION:draft-ietf-sip-congestsafe-01.txt

["Dean Willis" <dean.willis@softarmor.com>]

> I remember that we had a discussion (was it here or on 
> sip-implementors?) and the conclusion was that no proxy will 
> do a conversion from TCP to UDP. (reliable to non-reliable 
> transport). 

I don't recall this discussion. While mixing transports may not seem like a
great idea, it does happen in real networks.

One very likely scenario is SCTP between proxies with UDP or TCP between the
proxies and UAs. 

--
dean 

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